Table 5: Adaptive response in patients with

severe aortic stenosis undergoing aortic valve replacement

regarding the valve prostheses.

Echocardiographic

measurements

Valve prostheses

p

Biological

Mean ± SD

Mechanical

Mean ± SD

LVEF difference

9.41 ± 7.36

9.13 ± 7.24

0.899

Percentage decrease in

LV mass (g)

27.59 ± 13.49

22.58 ± 19.49

0.324

LV mass index (g/m2)

26.22 ± 14.64

26.99 ± 17.68

0.874

RWT

17.89 ± 15.48

20.72 ± 10.70

0.464

Septum wall (mm)

17.79 ± 11.20

16.45 ± 10.08

0.689

Posterior wall (mm)

16.49 ± 13.06

20.03 ± 13.68

0.381

Average PASP (mmHg)

21.46 ± 11.01

35.21 ± 19.40

0.006

RWT = relative wall thickness.

LV = left ventricle.

LVEF = left ventricular ejection fraction.

PASP = pulmonary arterial systolic pressure.

SD = standard deviation.